#include <stdio.h>
void input(int *a,int n)
{
	int *p=a,*q=a+n-1;
	for(;p<=q;p++)
		scanf("%d",p);
}
void output(int *a,int n)
{
	int *p,*q;
	for(p=a,q=a+n;p<q;p++)
		printf("%d ",*p);
}
int main(int argc, char const *argv[])
{
	const int x=3;
	int y;
	printf("&x=%d &y=%d\n",&x,&y);
	printf("x=%d y=%d\n",x,y);
	int *p=&y;
	p[1]++;
    printf("&x=%d &y=%d\n",&x,&y);
	printf("x=%d y=%d\n",x,y);

	return 0;
}
